unwrap
4.But if you unwrap that package you will see why I was upset at first.
5.Steam in rice cooker or steamer for 20 minutes, remove and cool first, unwrap and cut into slices. Serve.
6.To reheat the tortillas, wrap in a foil and reheat in a preheated oven at 180℃ for approximately 20 minutes. Unwrap and cover with a cloth to keep warm.
7.For the sake of remove the displacement and zoom of iris image, iris image is transformed from Cartesian coordinates to polar coordinates and unwrap iris image into a rectangle in the size of 600x100. For improving the effect of iris recognition and reducing the influence of unsymmetrical illumination, the iris image is transformed by hisotgram eaqualization.
